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// SPDX-License-Identifier: Apache-2.0 // This file is part of Verkel rust crate. // // Copyright (c) 2021 Wei Tang. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. use ark_ec::PairingEngine; use ark_poly_commit::kzg10::Commitment; pub trait Parameters { /// Data type for leaf node. type LeafData; /// Additional data type for branch node. type BranchAdditionalData; /// Pairing engine. type PairingEngine: PairingEngine; } pub enum Node<P: Parameters, const WIDTH: usize> { Leaf(P::LeafData), Branch(Box<[Node<P, WIDTH>; WIDTH]>, Commitment<P::PairingEngine>, P::BranchAdditionalData), }